diff --git a/mybatis-plus-join-test/test-kotlin/pom.xml b/mybatis-plus-join-test/test-kotlin/pom.xml
index 6f89850..57c6176 100644
--- a/mybatis-plus-join-test/test-kotlin/pom.xml
+++ b/mybatis-plus-join-test/test-kotlin/pom.xml
@@ -33,7 +33,7 @@
             <groupId>org.jetbrains.kotlin</groupId>
             <!--suppress KotlinMavenPluginPhase -->
             <artifactId>kotlin-stdlib-jdk8</artifactId>
-            <version>2.0.20</version>
+            <version>2.0.21</version>
         </dependency>
         <dependency>
             <groupId>org.jetbrains.kotlin</groupId>
diff --git a/pom.xml b/pom.xml
index 6861d92..1438a44 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,7 @@
             <dependency>
                 <groupId>org.jetbrains.kotlin</groupId>
                 <artifactId>kotlin-stdlib-jdk8</artifactId>
-                <version>2.0.20</version>
+                <version>2.0.21</version>
                 <scope>provided</scope>
             </dependency>
             <dependency>